-5s^2+7s+1=0

Simple and best practice solution for -5s^2+7s+1=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -5s^2+7s+1=0 equation: 



-5s^2+7s+1=0

a = -5; b = 7; c = +1;
Δ = b2-4ac
Δ = 72-4·(-5)·1
Δ = 69
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$s_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$s_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$s_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(7)-\sqrt{69}}{2*-5}=\frac{-7-\sqrt{69}}{-10}
$


$s_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(7)+\sqrt{69}}{2*-5}=\frac{-7+\sqrt{69}}{-10}
$

See similar equations:

| x3+4x2−20x=80 | | -2=-4p+3+5p | | -12(5x+4)=-(6x-6) | | 81c=25+7c | | (x)+(2x)+(x-7)=107 | | 29=-y/9 | | (4/9)x-12=-1/6(x-12)-3 | | 4y^2-6=58 | | x+1=2x5+4(x-2) | | 4p^2+8p-9=0 | | 14-(3a+2)=0 | | 3x=10x-40 | | -6m-9=-2+3(6m+7) | | 3x/2x=x/10-6/5 | | 2j^2-7j+5=0 | | 4s^2-s-3=0 | | 3x2−x=x10−65 | | (x-7)^2-108=0 | | 12x^2+16×+5=0 | | 3x+175=9.25 | | 2(x+3)+3(x-1)=138 | | 7k-4=5+9k | | x=4.6*((x+9.8)/9.5) | | 2x/8=10 | | 9x-30=-75 | | 2/3×+y=4/3 | | 3d^2-6=0 | | 2(-4x-8)=-24 | | -(x+4)-6(x-5)=40 | | X=123x= | | X-(-6)+9+2x-19=23 | | -4|8-5m|=13 |

Equations solver categories